<![CDATA[Crash at QString13fromLocal8Bit]]>Hi ,

i am porting my application from 3.0 to qt 4.8. on window porting to qt 4.8 works fine but on linux it shows segmentation fault at the start of the application
libQtCore.so.4(_ZN7QString13fromLocal8BitEPKci+0x29) [0x2b56a0fdaa49]
prod/release/linux64/libQtCore.so.4(_ZN16QCoreApplication9argumentsEv+0x6c) [0x2b56a109cf2c]
prod/release/linux64/libQtGui.so.4 [0x2b56a1684fad]
release/linux64/libQtGui.so.4 [0x2b56a1685b72]
16006D48 /usr/lib64/libSM.so.6(_SmcProcessMessage+0xd78) [0x3916006d48]
16811FFB /usr/lib64/libICE.so.6(IceProcessMessages+0x38b) [0x3916811ffb]
prod/release/linux64/libQtCore.so.4(_ZN11QMetaObject8activateEP7QObjectPKS_iPPv+0x488) [0x2b56a10b2f08]
release/linux64/libQtCore.so.4(_ZN15QSocketNotifier9activatedEi+0x2e) [0x2b56a110a04e]
prod/release/linux64/libQtCore.so.4(_ZN15QSocketNotifier5eventEP6QEvent+0x24f) [0x2b56a10bb9af]
prod/release/linux64/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0xaf) [0x2b56a16069ff]
prod/release/linux64/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x1d0) [0x2b56a160d990]

Please help me to solve this issue as i am stuck with it.

Thanks

]]>https://forum.qt.io/topic/35079/crash-at-qstring13fromlocal8bitRSS for NodeThu, 24 Sep 2026 05:24:45 GMTWed, 04 Dec 2013 12:25:43 GMT60<![CDATA[Reply to Crash at QString13fromLocal8Bit on Tue, 24 Dec 2013 21:38:36 GMT]]>You're welcome !

Glad you found out

Since you have it working now, please update the thread title prepending [solved] so other forum users may know a solution has been found :)

]]>https://forum.qt.io/post/208476https://forum.qt.io/post/208476Tue, 24 Dec 2013 21:38:36 GMT<![CDATA[Reply to Crash at QString13fromLocal8Bit on Tue, 24 Dec 2013 05:39:16 GMT]]>solved , i have created the memory on heap for argument list.

Thanks for yours support

Thanks

]]>https://forum.qt.io/post/208427https://forum.qt.io/post/208427Tue, 24 Dec 2013 05:39:16 GMT<![CDATA[Reply to Crash at QString13fromLocal8Bit on Thu, 05 Dec 2013 08:18:02 GMT]]>What does this string contain ? I mean literally.

What locale are you using ?

]]>https://forum.qt.io/post/206349https://forum.qt.io/post/206349Thu, 05 Dec 2013 08:18:02 GMT<![CDATA[Reply to Crash at QString13fromLocal8Bit on Thu, 05 Dec 2013 04:54:05 GMT]]>Hi,

i have checked the initial argument to QApplication constructor and it shows no of argument 1 and argument is exe name that is going to launch.

Thanks

]]>https://forum.qt.io/post/206327https://forum.qt.io/post/206327Thu, 05 Dec 2013 04:54:05 GMT<![CDATA[Reply to Crash at QString13fromLocal8Bit on Wed, 04 Dec 2013 21:27:15 GMT]]>Hi,

Can you show the code that crashes ? And the content of the parameter to give to it ?

]]>https://forum.qt.io/post/206312https://forum.qt.io/post/206312Wed, 04 Dec 2013 21:27:15 GMT